Add: Add new zsh plugin "zi" (#921)

src/main.rs

@@ -267,6 +267,7 @@ fn run() -> Result<()> {
         runner.execute(Step::Shell, "zgenom", || zsh::run_zgenom(&base_dirs, run_type))?;
         runner.execute(Step::Shell, "zplug", || zsh::run_zplug(&base_dirs, run_type))?;
         runner.execute(Step::Shell, "zinit", || zsh::run_zinit(&base_dirs, run_type))?;
+        runner.execute(Step::Shell, "zi", || zsh::run_zi(&base_dirs, run_type))?;
         runner.execute(Step::Shell, "zim", || zsh::run_zim(&base_dirs, run_type))?;
         runner.execute(Step::Shell, "oh-my-zsh", || zsh::run_oh_my_zsh(&ctx))?;
         runner.execute(Step::Shell, "fisher", || unix::run_fisher(&base_dirs, run_type))?;

src/steps/zsh.rs

@@ -94,6 +94,21 @@ pub fn run_zinit(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
     run_type.execute(zsh).args(&["-i", "-c", cmd.as_str()]).check_run()
 }
 
+pub fn run_zi(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
+    let zsh = require("zsh")?;
+    let zshrc = zshrc(base_dirs).require()?;
+
+    env::var("ZPFX")
+        .map(PathBuf::from)
+        .unwrap_or_else(|_| base_dirs.home_dir().join(".zi"))
+        .require()?;
+
+    print_separator("zi");
+
+    let cmd = format!("source {} && zi self-update && zi update --all", zshrc.display(),);
+    run_type.execute(zsh).args(["-i", "-c", &cmd]).check_run()
+}
+
 pub fn run_zim(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
     let zsh = require("zsh")?;
     env::var("ZIM_HOME")